becky anderson is live in london. wow, becky. this is unbelievable. i've never heard of anything like this. how is this guy supposed to survive? how does he do this? >> well, i think that's what they're going to learn, whether they can survive. for six months in the dark, suzanne. let's remember that it's winter between march and september in antarctica, so it will be dark for most of the time, and as you say, the temperatures will be below 90 degrees centigrade, or 130 degrees fahrenheit. that is something else. as with all these expeditions worth their salt, they'll be carrying out some scientific experiments. they'll also be raising some $15 million for seeing is believing, which is a global charity to prevent blindness. there's lots of good reasons why they're doing this, but if you are arguably the greatest living british explorer, there is more to it than that. there are two words that i think come to mind when you talk to explorers. that's ego, and this great sense of competition. have a listen to what he said about that. >> people that wanted